Patents by Inventor Michael Lars Palmer

Michael Lars Palmer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Magnetorheological fluid compositions and prosthetic knees utilizing same
    Patent number: 7335233
    Abstract: The present invention relates in one embodiment to magnetorheological fluids utilized in prosthetic joints in general and, in particular, to magnetorheological fluids utilized in controllable braking systems for prosthetic knee joints. Preferred magnetorheological fluids of the present invention comprises polarizable iron particles, a carrier fluid, and optionally an additive. Preferred additives include, but are not limited to functionalized carrier fluids as well as derivatized fluoropolymers. Preferred carrier fluids include, but are not limited, to perfluorinated polyethers.
    Type: Grant
    Filed: March 15, 2006
    Date of Patent: February 26, 2008
    Assignee: Ossur HF
    Inventors: Henry Hsu, Charles R. Bisbee, III, Michael Lars Palmer, Ronald J. Lukasiewicz, Michael W. Lindsay, Stephen W. Prince
  • Magnetorheological fluid compositions and prosthetic knees utilizing same
    Patent number: 7101487
    Abstract: The present invention relates in one embodiment to magnetorheological fluids utilized in prosthetic joints in general and, in particular, to magnetorheological fluids utilized in controllable braking systems for prosthetic knee joints. Preferred magnetorheological fluids of the present invention comprises polarizable iron particles, a carrier fluid, and optionally an additive. Preferred additives include, but are not limited to functionalized carrier fluids as well as derivatized fluoropolymers. Preferred carrier fluids include, but are not limited, to perfluorinated polyethers.
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: September 5, 2006
    Assignee: Ossur Engineering, Inc.
    Inventors: Henry Hsu, Charles R. Bisbee, III, Michael Lars Palmer, Ronald J. Lukasiewicz, Michael W. Lindsay, Stephen W. Prince
  • Magnetorheological fluid compositions and prosthetic knees utilizing same
    Publication number: 20040217324
    Abstract: The present invention relates in one embodiment to magnetorheological fluids utilized in prosthetic joints in general and, in particular, to magnetorheological fluids utilized in controllable braking systems for prosthetic knee joints. Preferred magnetorheological fluids of the present invention comprises polarizable iron particles, a carrier fluid, and optionally an additive. Preferred additives include, but are not limited to functionalized carrier fluids as well as derivatized fluoropolymers. Preferred carrier fluids include, but are not limited, to perfluorinated polyethers.
    Type: Application
    Filed: November 25, 2003
    Publication date: November 4, 2004
    Inventors: Henry Hsu, Charles R. Bisbee, Michael Lars Palmer, Ronald J. Lukasiewicz, Michael W. Lindsay, Stephen W. Prince